NEET PG DENTAL EXAM

Detailed explanation-1: -Overview. Avascular necrosis is the death of bone tissue due to a lack of blood supply. Also called osteonecrosis, it can lead to tiny breaks in the bone and cause the bone to collapse. The process usually takes months to years. A broken bone or dislocated joint can stop the blood flow to a section of bone.

Detailed explanation-2: -(ay-VAS-kyoo-ler neh-KROH-sis) A condition in which there is a loss of blood flow to bone tissue, which causes the bone to die.

Detailed explanation-3: -Avascular necrosis is a disease that results from the temporary or permanent loss of blood supply to the bone. When blood supply is cut off, the bone tissue dies and the bone collapses. If avascular necrosis happens near a joint, the joint surface may collapse.

Detailed explanation-4: -The tissues that do not have blood vessels and lymphatic vessels are referred to as avascular tissue. The exchange of gases and nutrients takes place through the vessels. The exchange of gases and nutrients takes place through diffusion.